Venting - Rheem Residential 40 Gallon Use & Care Manual

The water heater must be installed with the factory supplied venting system. The old venting system
(vent pipe, air intake pipe, vent cap, elbows etc.) must be replaced with the vent system supplied with
the new water heater.
DANGER: Failure to
install the venting system
and properly vent the water
heater to the outdoors as
outlined in the Venting
section of this manual will
result in unsafe operation of
the water heater causing
bodily injury, explosion,
fire or death. To avoid the
risk of fire, explosion, or
asphyxiation from carbon
monoxide, NEVER operate
the water heater unless it is
properly vented and has
adequate air supply for
proper operation as
outlined in the Venting
section of this manual.
18"Min
(46 cm)
Inside
Corner
HOT
18"Min.
(46 cm)
12" Min. (30 cm) above grade
(Higher in areas of heavy snowfall.)
Approximately
6 1/4" Diameter
(15.8 cm)
"X"
Floor

Venting

CAUTION: If there are any
damaged parts, DO NOT install the
water heater. Report any damage to
your distributor or to the carrier.
9" Min. (23 cm)
Within 10 feet
(305 cm)
Any forced air inlet
into the building
NOTICE: The four fasteners that are
required to secure the vent cap to the
external wall are not provided. These
should be screw type (not nails) chosen
for the type of construction and obtained
locally
See the back page of this manual
for additional requirements for the
Commonwealth of Massachusetts.
Vent Termination Clearances
Vent Terminal must be located at least 12" (30.5 cm)
min. above grade level and above normal snow
levels. Higher in areas of heavy snowfall.
Vent Terminal must be located at least 9" (23 cm) from
windows, doors, or any other opening through which flue
gases could enter the building.
Vent Terminal must be located at least 36" (91 cm) above
any Forced Air Inlet into the building within
10' (3 m) of the Vent Terminal. Any fresh or make-up
air inlet such as for a dryer or furnace area is
36" Min.
considered to be a forced air inlet.
(91 cm)
Vent Terminal must be located at least 18" (46 cm) from
any overhang or building corner or other irregularity.
DO NOT locate the Vent Terminal under any deck or
patio structure.
Locating Clearance Hole for Vent
Cut a clearance hole, approximately 6 1/4" (15.8 cm)
in diameter, through the exterior wall for the
6" (15.2 cm) diameter air tube.
Capacity
40 Gallon
50 Gallon
"X"
68-1/4" (173.3 cm)
68" (172.7 cm)
9